1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 
18 #ifndef _INIT_DESCRIPTORS_H
19 #define _INIT_DESCRIPTORS_H
20 
21 #include <sys/types.h>
22 
23 #include <string>
24 
25 class DescriptorInfo {
26  public:
27   DescriptorInfo(const std::string& name, const std::string& type, uid_t uid,
28                  gid_t gid, int perm, const std::string& context);
29   virtual ~DescriptorInfo();
30 
31   friend std::ostream& operator<<(std::ostream& os, const class DescriptorInfo& info);
32   bool operator==(const DescriptorInfo& other) const;
33 
34   void CreateAndPublish(const std::string& globalContext) const;
35   virtual void Clean() const;
36 
37  protected:
name()38   const std::string& name() const { return name_; }
type()39   const std::string& type() const { return type_; }
uid()40   uid_t uid() const { return uid_; }
gid()41   gid_t gid() const { return gid_; }
perm()42   int perm() const { return perm_; }
context()43   const std::string& context() const { return context_; }
44 
45  private:
46   std::string name_;
47   std::string type_;
48   uid_t uid_;
49   gid_t gid_;
50   int perm_;
51   std::string context_;
52 
53   virtual int Create(const std::string& globalContext) const = 0;
54   virtual const std::string key() const = 0;
55 };
56 
57 std::ostream& operator<<(std::ostream& os, const DescriptorInfo& info);
58 
59 class SocketInfo : public DescriptorInfo {
60  public:
61   SocketInfo(const std::string& name, const std::string& type, uid_t uid,
62              gid_t gid, int perm, const std::string& context);
63   void Clean() const override;
64  private:
65   virtual int Create(const std::string& context) const override;
66   virtual const std::string key() const override;
67 };
68 
69 class FileInfo : public DescriptorInfo {
70  public:
71   FileInfo(const std::string& name, const std::string& type, uid_t uid,
72            gid_t gid, int perm, const std::string& context);
73  private:
74   virtual int Create(const std::string& context) const override;
75   virtual const std::string key() const override;
76 };
77 
78 #endif
79